there is a third group of symptoms which we call the the cognitiveoms, deficits. those are problems with memory and problems of attention. sadly, we do not have good treatments for those latter two categories. we have treatments for hallucinations and delusions, medications at work quite well. but the other parts of this syndrome, the parts that are often even more disabling, we need to come up with much better treatments. that is part of why nih is so focused on developing both better diagnostics and better therapeutics for these kinds of illnesses. host: this tweet on the issue of mental health -- are there any other significant development being made in other countries? guest: it is a great question. recently, mental disorder research has become global. there is a lot of interest in global mental health, and that is not just from europe and australia. canada and increasingly in other parts of the world. the disorders we're talking about our global and not unique to the developed world. as a result, there have been some very interesting little-resource environme